Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos têm o modelo 2.4 awd?
 ###Tabelas: CREATE TABLE competition_timeline (competition_timeline_id AUTO_INCREMENT PRIMARY KEY, Competition VARCHAR, 1993– 94 VARCHAR, 1994– 95 VARCHAR, 1995– 96 VARCHAR, 1996– 97 VARCHAR, 1997– 98 VARCHAR, 1998– 99 VARCHAR, 1999– 2000 VARCHAR, 2000– 01 VARCHAR, 2001– 02 VARCHAR, 2002– 03 VARCHAR, 2003– 04 VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR, 2012 VARCHAR, 2013 VARCHAR, 2014 VARCHAR) CREATE TABLE models_and_engines (models_and_engines_id AUTO_INCREMENT PRIMARY KEY, model VARCHAR, max. motive power VARCHAR, max. torque at rpm VARCHAR, engine displacement VARCHAR, engine type VARCHAR, engine configuration & notes 0-100km/h VARCHAR) CREATE TABLE toronto_blue_jays_vs._oakland_athletics (toronto_blue_jays_vs._oakland_athletics_id AUTO_INCREMENT PRIMARY KEY, Game INT, Date VARCHAR, Location VARCHAR, Time VARCHAR, Attendance INT) CREATE TABLE defence (defence_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Sacks INT, Ints INT, Int Yds INT, Int LG INT, Int TD INT, Fumb R. INT, Fumb Yds INT, Fumb LG INT, Fumb TD INT, Fumb F. INT) CREATE TABLE season_2008 (season_2008_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Won INT, Drawn INT, Lost INT, Def. INT, Pts For INT, Pts Agst INT, Long INT, Points INT, Average VARCHAR)  
SELECT COUNT engine type FROM models_and_engines WHERE model = 2.4 AWD